Chemistry is traditionally divided into organic and inorganic chemistry. Safety of 1,8-Diazanaphthalene, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 254-60-4
The 1La and 1Lb classification of electronically excited states of cata-condensed hydrocarbons proposed by Platt in 1949 (Platt, J. R. J. Chem. Phys. 1949, 17, 484) is challenged by investigating a series of N-heteronaphthalenes and comparison of their low-lying pipi? excited states to those of naphthalene. The breakdown of Platt’s classification scheme for N-heterocycles is highlighted, and a reliable and versatile alternative using exciton analyses is presented. The strength of electron-hole correlation turns out to be the most reliable distinguishing feature, and thus, an alternative nomenclature of 1Lw (weakly correlated) and 1Ls (strongly correlated) is proposed. Furthermore, fundamental guidelines for their property modulation through N-atom substitution patterns are discussed.
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Reference£º
1,139-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N133 – PubChem